baber/WOPTO huggingface dataset:
Patent JP-H107665-A (JP)
Title: Preparation of 2-(2'-hydroxyphenyl)-2h-benzotriazole derivative
Inventor: VISHWAKARMA LAL CHAND
IPC: C09K3/00
Filed: 1997-03-06
Abstract: PROBLEM TO BE SOLVED: To obtain the subject compound as an ultraviolet light absorbing compound in high yield by catalytic hydrogenation of an o-nitrophenyl-azo dye compound in the presence of an acid. SOLUTION: This compound, a 2-(2'-hydroxyphenyl)-2H-benzotriazole derivative of formula II (R1 to R4 , R6 and R7 and each H, a halogen, NH2 , cyano, etc.), is obtained by catalytic hydrogenation of (A) an azo dye compound of formula I [R1 to R4 are each H, a halogen, NH2 , NO2 , cyano, etc.; R5 is H, acetyl, etc.; R6 and R7 are each H, a halogen, NH2 , cyano, etc.; R8 is H or OX (X is H, a 1-6C alkyl, etc).; Z is H, OH, a 1-6C alkyl, etc.] in a reaction medium containing a polar hydroxyl-based solvent and, optionally, non-hydroxyl- based solvent, in the presence of a noble metal hydrogenation catalyst, base and acid.
Patent JP-S56148030-A (JP)
Title: Screw type pressure pulsation reducing method for pressure detector
Inventor: NAKAO YOSHIATSU
IPC: G01L19/06
Filed: 1980-04-21
Abstract: PURPOSE:To facilitate the regulation of the pressure pulsation reducing effect by a method wherein a fluid throttling passage is formed by utilizing the gap between female and male threads, and the engagement length therebetween is adjusted to regulate the pressure pulsation reducing effect. CONSTITUTION:The pressure pulsation reducing screw portion 3 is constituted from a female thread 1 formed in the inner wall surface of the flow path 9a in a fitting member 9 and a male thread 2 to engage therewith. Before the fitting member 9 is screwed into a pressure guiding pipe 8, the engagement length is set previously so that a desired pressure pulsation reducing effect can be obtained. Thus, by adjusting the engagement length between the female thread 1 and the male thread 2, the pressure pulsation reducing effect is regulated.
Patent JP-H08219387-A (JP)
Title: Gas cylinder
Inventor: IIDA YASUSHI
IPC: F17C1/16
Filed: 1995-02-15
Abstract: PURPOSE: To heighten gas sealing performance in a connection part between an inner shell and a nozzle fitting mouthpiece in a gas cylinder of double layer structure formed of the inner shell and an outer shell. CONSTITUTION: A gas cylinder has an inner shell 2 with gas barrier property, a pressure tight outer shell 3 provided in such a way as to cover the inner shell 2, and a nozzle fitting mouthpiece 6 mounted in the neck part of the inner shell 2. On the end face of the neck part, a seal ring 10 is fittingly fixed to the mouthpiece 6, and a pressing means is provided to press the seal ring 10 in the end face direction of the neck part.
Patent JP-H05171595-A (JP)
Title: Sheet molding material and its production
Inventor: HAYASHI KENZO
IPC: D21H17/37
Filed: 1991-03-16
Abstract: PURPOSE:To provide a sheet molding material moldable easily at a low cost in a wet state, also capable of imparting the molded products therefrom after drying and solidification nonflammability, water resistance and required mechanical strength. CONSTITUTION:The objective sheet molding material can be obtained by putting to papermaking process a slurry containing, as the essential ingredients, (A) sepiolite as the chief ingredient, (B) the first binder for caking, consisting of a thermosetting resin, and (C) the second binder for cohesion, consisting of a thermoplastic resin. The production method for the sheet molded product from the above material is made up of the following three processes: (1) the above-mentioned slurry is put to papermaking to be formed into a wet sheet (papermaking process), (2) the wet sheet is pressed on a mold (molding process), and (3) the resulting sheet molded form is dried and solidified (drying process).
Patent JP-H09241343-A (JP)
Title: Production of polymerizates of fluoral and chloral
Inventor: MIKAMI KOICHI
IPC: C08G2/06
Filed: 1996-03-08
Abstract: PROBLEM TO BE SOLVED: To obtain a polymerizate of fluoral or chloral at good efficiency by reacting a specified compound in the presence of titanium complex. SOLUTION: One (1) mol of a compound represented by formula I (wherein X is F or Cl) is reacted in a solvent in the presence of 0.01-1.0mol of a titanium complex represented by formula II [wherein R<1> and R<2> are each Cl or a lower alkoxyl; R<3> is formula II or formula III; R<4> and R<5> are each H, a halogen, a lower alkyl, an (un)substituted phenyl or an (un)substituted naphthyl; R<6> and R<7> are each H, a halogen, COR<11> , OCOR<12> or SO2 R<13> ; R<11> to R<13> are each a lower alkyl, an (un)substituted phenyl or an (un)substituted naphthyl; R<9> and R<10> are each H or R<11> ; an Ar is an (un)substituted phenyl or an un substituted naphthyl] to obtain a polymerizate of fluoral or chloral, represented by formula V (wherein R<8> is a lower alkoxyl).
Patent JP-H07257037-A (JP)
Title: High density optical recording medium
Inventor: KUWANO ATSUSHI
IPC: G11B7/2472
Filed: 1994-03-23
Abstract: PURPOSE:To enable recording by short wavelength laser beam by forming a recording layer and a reflecting layer both of which are compounded with a predetermined amt. of a phthalocyanine dye represented by a predetermined formula and a predetermined amt. of a polymeric compd. and performing recording by the reflectivity change within a predetermined wavelength region. CONSTITUTION:A recording layer 3 and a reflecting layer 4 are formed on a substrate 1 using 5-40 pts.wt. of a phthalocyaine dye represented by formula [wherein Q is an alkylthio group, an alkoxy group, an alkoxyalkyl group, an alkoxycarbonyl group, an alkylamino group, an alkyl group, an alkenyl group or a CONHR 4 group (wherein R4 is an alkyl group), j, k, l and m are an integer of 0-4, Q1 may be same or different, M1 is Si, Ge or Sn and X1 is a trimethylsiloxy group or a trimethoxysiloxy group] and 100 pts.wt. of a polymeric compd. obtained by polymerizing methacrylic ester or the like. Recording is performed by a reflectivity change within a wavelength range of 670-690nm due to laser beam.
Patent JP-H10254824-A (JP)
Title: Interface system of signal processor and controller
Inventor: JIBIKI TADASHI
IPC: G06F13/00
Filed: 1997-03-07
Abstract: PROBLEM TO BE SOLVED: To accelerate and simplify an interface of DSP (signal processor) and a controller. SOLUTION: The memory space of DSP 10 and the controller 30 is made a unified specification with respect to a buffer memory 20 to use the interface between with the memory 20 for an interface between with the controller 30 in common. Thereby the interface of the memory 20 and the controller 30 are made common to simplify and accelerate by a parallel interface is realized. In addition when the memory 20 is DRAM, the interface of DSP10 and the controller 30 is executed during its refreshing cycle.
Patent JP-H01225509-A (JP)
Title: Dividing method for semiconductor base
Inventor: KATO MASAHIRO
IPC: B28D5/00
Filed: 1988-03-04
Abstract: PURPOSE:To divide a semiconductor wafer with good yield by providing scribing lines cross square from the surface and the rear of a semiconductor base. CONSTITUTION:Scribing lines are formed along the direction A in which the position of rear side 21b of a semiconductor wafer crosses square with an orientation flat 22. Then, scribing lines 23b are formed on the integrated circuit dividing lines in the direction B in parallel with the orientation flat 22. A roller is rotated on a semiconductor wafer 21 forming scribing lines 23a and 23b, and the semiconductor wafer is broken into respective semiconductor chips by said roller load. In case said dividing method is applied to a semiconductor base having a zincblende type crystal structure, the semiconductor base is scribed in the direction that the etching shape forms regular mesas 17b and 17d or reverse mesas 17a and 17c when the semiconductor base is solution etched.
Patent JP-H11249390-A (JP)
Title: Image forming device
Inventor: HIBINO EIKO
IPC: G03G15/02
Filed: 1998-03-04
Abstract: PROBLEM TO BE SOLVED: To provide an image forming device equipped with a discharge wire cleaning mechanism capable of effectively removing the oxide coating film of a discharge wire and a foreign matter. SOLUTION: Since the electrophotographic image forming device utilizing corona discharge is provided with the discharge wire cleaning mechanism equipped with a pad 14 impregnated with alkali water solution, SiO2 and WO3 which are hardly removed by a dry system or neutral water are solved and removed by the alkali water solution, and the discharge wire is kept in an excellnt state. The discharge wire cleaning mechanism is constituted of at least the pad 14 and a holder 15 supporting the pad 14. Since the pad 14 is attached to the holder 15 without using an adhesive member, only the pad 14 can be attached to/detached from the holder 15, only the pad 14 can be replaced or the pad 14 can be washed and reused.
Patent JP-H06261903-A (JP)
Title: Ultrasonic probe
Inventor: NAKAMURA HISASHI
IPC: A61B8/12
Filed: 1993-03-12
Abstract: PURPOSE:To provide a multi-plane TEE ultrasonic probe to be inserted in a body cavity, in which a vibrator is rotated accurately and quickly. CONSTITUTION:A transducer 14 to make a scan with ultrasonic beam within a plane is furnished at the tip of a leading part to be inserted in a body cavity, and a motor 100 to rotate the transducer for varying the ultrasonic scanning surface is installed coaxially under the transducer 14 in a position at the foremost of the leading part.
Patent JP-H07258704-A (JP)
Title: Powder molding method and powder molding device
Inventor: NAKATANI KAZUMICHI
IPC: B22F3/02
Filed: 1994-03-24
Abstract: PURPOSE:To obtain a stepped molding which has not much difference in powder com pression rates with integral metal molds. CONSTITUTION:The die 2 is provided with a relief part 5 on the side face of the thin wall forming part 4 within a molding space 11. Powder is packed into the molding space 11 and is pressurized by the punch 1 provided with a difference in level. The powder in the thin wall forming part 4 escapes to this relief part 5 during the time of the movement of the thin wall forming surface 7 of the punch toward the terminal 12a of the powder relief surface 12 but the powder in the thick wall forming part 3 is compressed as it is. The powder is held in a hermetic state and the powder in the thin wall forming part 4 begins to be compressed after the thin wall forming surface 7 of the punch passes the terminal 12a of the power relief surface 12. the powder in the thin wall forming part 4 is increased in the powder compression rate earlier than the powder in the thick wall forming part 3 but the thick wall forming part 3 is previously compressed and, therefore, there is a point having not so much difference in the powder compression rates of the thick wall forming part 3 and the thin wall forming part 4 at a certain stroke point. The stepped molding having not so much difference in the powder compression rate is obtd. if this point is formed to a desired molding shape.
Patent JP-S57166713-A (JP)
Title: Output circuit
Inventor: ANDOU MANABU
IPC: H03K19/003
Filed: 1981-04-08
Abstract: PURPOSE: To suppress the occurrence of impact ionization when an abnormal voltage is applied to the output terminal of a push-pull output circuit capable of holding the output terminal in a high impedance state, by using five insulating gate type field effect transistors.  
     CONSTITUTION: The gate of an insulating gate type field effect transistor (MISFE) 1 is connected to an input terminal 1, and the source is connected to an output terminal 5. The drain of an MISFET2 is connected to the terminal 5, the gate is connected to an input terminal comlementary with the terminal 1, and the source is grounded. The drain of an MISFET3 is connected to the terminal 1, the gate is connected to an input terminal 3 applied with a signal for holding the terminal 5 in a high impedance state, and the source is ground. The drain of an MISFET4 is connected to the terminal 2, the gate is connected to the terminal 3, and the source is grounded. The drain of an MISFET5 is connected to a power source 4, the gate is connected to an input terminal 6 applied with a signal which has a low level when the terminal 5 in the high impedance state, and the source is connected to the drain of the FET1. 
     COPYRIGHT: (C)1982,JPO&Japio
Patent JP-S61212337-A (JP)
Inventor: KAMIYA KOSEN
IPC: B02B7/00
Filed: 1985-03-15
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S61211038-A (JP)
Inventor: MURAMATSU MOTOHIKO
IPC: B32B37/00
Filed: 1985-03-15
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S57169008-A (JP)
Title: Lime-base dephosphorizing agent
Inventor: KANEKO SHINICHI
IPC: C21C1/02
Filed: 1981-04-08
Abstract: PURPOSE:To provide high dephosphorizing performance to a lime-base dephosphorizing agent by blending the agent with a specified amount of high test hypochlorite. CONSTITUTION:This lime-base dephosphorizing agent for molten iron contains 90-95pts.wt. powder contg. >=90% component consisting of CaO and Fe2O3 in 0.6-1.5 ratio by weight and 5-10pts.wt. high test hypochlorite. By this composition activated oxygen and chlorine formed by the decomposition of the hypochlorite interact effectively with the dephosphorization reaction to increase the dephosphorizing performance. When this agent is applied to molten iron, the molten iron is well dephosphorized, and the load of dephosphorization in a converter can be relieved.
Patent JP-H07239644-A (JP)
Title: Reproducing method for image holding base and device used for this reproducing method
Inventor: IGARASHI MASATO
IPC: G03G7/00
Filed: 1994-02-25
Abstract: PURPOSE:To provide a reproducing method and reproducing device for a copying or printing paper not only by cleaning of copied images and printed images of a special paper (erasable paper) but also by cleaning of ordinary PPC-copied images and PPC-printed image currently utilized in markets. CONSTITUTION:Holding of a liquid contg. water (image peeling liquid) on an image holding base which is at least partly composed of a paper-base layer essentially consisting of cellulose fibers and on which a hydrophobic image consisting of thermoplastic ink (toner) is formed on the paper layer, is executed by a means for supplying the image peeling liquid without contact with the image holding base in the reproducing method of the image holding base by holding the image peeling liquid on the image holding base by the means for supplying the liquid and bringing the hydrophobic image and an image peeling body into contact with each other in the state of holding the liquid, thereby peeling the hydrophobic image from the paper-base layer.
Patent JP-H07239068-A (JP)
Title: Water leakage detection type flexible pipe joint
Inventor: HAYASHI KANEFUSA
IPC: G01M3/04
Filed: 1994-02-25
Abstract: PURPOSE:To provide a water leakage detection type flexible pipe joint which can carry out sooner detection of water leakage from the pipe circumference wall part with high reliability and can be easily produced. CONSTITUTION:A cylindrical electric conductor 7 is buried along the pipe circumference wall part of a flexible pipe joint, and the electric conductor 7 is partially exposed on opposed flanges 5 pressure contact faces arranged in the end parts of the flexible pipe joint. The electric conductor 7 is connected to lead wires 15 via the opposed flanges 5 brought into pressure contact with the conductor 7.
Patent JP-S60196935-A (JP)
Title: Liquid phase epitaxial process
Inventor: KATOU TETSUROU
IPC: H01L21/208
Filed: 1984-03-19
Abstract: PURPOSE:To make the titled liquid phase epitaxial growing process feasible by a method wherein the horizontal thickness of solution between two semiconductor substrates facing to each other is changed monotonously in the vertical direction and the solution is filled in the vertical direction within specified range from upper and lower ends of substrates. CONSTITUTION:One each of Si doped GaAs substrates 6, 6' is fixed to both sides of high purity carbon made substrate supporters 5, 5' within solution growing boat bases 8. The capacity of growing bath 7 is calculated to fill the bath with pertinent amount of Ga, GaAs polycrystalline Si for producing Ga solution equivalent to the capacity of growing bath 7. The Ga solution made even by heating operation is introduced into the growing bath 7. The level of solution shall exceed the upper ends of supporters 5, 5'. Epitaxial wafers may be mass- produced maintaining the even thickness of epitaxial layer. The epitaxial layer may be provided with practically sufficient surface status and thickness distribution by means of specifying the gap (l) between substrate ends and solution end to exceed 20 times of layer thickness.
Patent JP-S61211159-A (JP)
Inventor: SEKINE KOSUKE
IPC: B61F5/24
Filed: 1985-03-15
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H03255185-A (JP)
Title: Adhesive for printed wiring board made by the additive process
Inventor: TAKANEZAWA SHIN
IPC: C09J161/06
Filed: 1990-03-05
Abstract: PURPOSE:To obtain the title adhesive improved in the resistance to electrolytic corrosion and shelf stability by using an acrylonitrile/butadiene rubber containing glycidyl methacrylate groups, an alkylphenolic resin, an epoxy resin, and a specified crosslinking agent as the constituents. CONSTITUTION:Acrylonitrile-butadiene is copolymerized with glycidyl methacrylate to give an acrylonitrile/butadiene rubber containing at least 3wt.% methacrylate. Solid matter consisting of 30-70wt.% (solid content after removing organic solvents, the same applies hereinafter) said rubber, 10-40wt.% alkylphenolic resin, 5-50wt.% epoxy resin, 0.01-5wt.% crosslinking agent which comprises preferably a boron fluoride/amine complex and crosslinks glycidyl methacrylate and epoxy resin at the same time, and if necessary, a catalyst, an inorganic filler, etc., is dissolved or dispersed in an organic solvent.
Patent JP-H11244940-A (JP)
Title: Winding and unwinding drum
Inventor: KATO HEIJI
IPC: B21C47/30
Filed: 1998-03-05
Abstract: PROBLEM TO BE SOLVED: To provide a winding and unwinding drum automatically executing the enlargement or contraction of the outer diameter of a mandrel and the contraction of the outer diameter for pulling out a winding coil. SOLUTION: A mandrel 1, plural two-stage extending and contracting type cylinder 2 which is constituted in the radial direction of the mandrel 1, and a segment 4 which covers the outer periphery of the mandrel with plural numbers of members extending in the axial direction of the mandrel 1 and enlarges or contracts in the radial direction of the mandrel 1 with the cylinder 2 are prepared. An auxiliary cylindrical space 9, wherein an auxiliary piston 10 provided in the tip end of the rod 3 of the cylinder 2 is slid, is provided in the segment 4, and an auxiliary cylinder 5 is composed of the auxiliary cylindrical space 9, the auxiliary piston 10 and the rod 3 of the cylinder 2.
Patent JP-S57168548-A (JP)
Title: Noise eliminating device
Inventor: YOSHIDA KIYOSHI
IPC: H04L7/04
Filed: 1981-04-10
Abstract: PURPOSE:To make an information processing with high fidelity between the transmitting and receiving units, by inserting a photocoupler into a clock signal transmission line and eliminating the high frequency component of the noise induced to the transmission line. CONSTITUTION:The clock signal containing the noise is amplified by a transistor TR4 of an eliminating circuit to actuate an LED5a for emission of light. The light emitted from the LED5a is received by a phototransistor 5b and then inverted by an inverter 6 to eliminate the high frequency component of the noise for the signal. The clock signal delivered from the eliminating circuit contains the residual low frequency component, and this clock signal is supplied to both the receiving and transmitting units. This clock signal contains no shift of phase to cause no shift of synchronization between the transmitting and receiving units to ensure an information process with high fidelity.
Patent JP-S60197577-A (JP)
Inventor: UCHINO HIDEO
IPC: B66B5/04
Filed: 1984-03-19
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-H05257856-A (JP)
Title: Channel device
IPC: G06F13/12
Filed: 1992-03-12
Abstract: PURPOSE:To decrease conflicts on a data bus and improve the efficiency by gaining no access to a main storage device with performance higher than required. CONSTITUTION:This channel device 20 controls data transfer between the main storage device 109 and an input/output device 30 and data to be transferred from the main storage device 10 to the input/output device are prefetched by a data prefetch circuit 23 and stored in a data buffer 21 temporarily. The amount of data in the data buffer 21 is monitored to decide whether the amount of data is larger than a previously set value, and consequently variation in the prefetch period is indicated to the prefetch circuit 23. Main storage access from a channel is made fast by a certain starting amount at the start of the transfer by the channel device 20 and then data are fetched thereafter corresponding to the amount of data sent out to the input/output device 30.
Patent JP-H11251413-A (JP)
Title: Vacuum treatment apparatus
Inventor: FURUKAWA RYOTA
IPC: B01J3/02
Filed: 1998-03-05
Abstract: PROBLEM TO BE SOLVED: To provide a vacuum treatment apparatus, capable of preventing deviation in position of a substrate in a vacuum chamber and a trouble during carriage. SOLUTION: In a vacuum treatment apparatus, a thin-plate substrate 4 is mounted on an electrode 3 as a mounting part in a vacuum chamber 6. The inside of the vacuum chamber 6 is put in a vacuum, and the substrate 4 is treated under low-pressure atmosphere. The electrode 3 has a plurality of air discharging grooves 3a arranged linearly and continuously in a substrate carrying direction on its upper face to discharge air between the lower face of the substrate 4 and the electrode 3. Then, the dislocation of the substrate 4 caused by a difference in pressure between the upper and lower faces of the substrate 4 during vacuum exhausting can be prevented. In addition, a plurality of carrying nails can be provided, so that the carrying nails do not come out of the edge of the substrate 4 during carriage, and the substrate 4 is carried steadily.
Patent JP-H03253342-A (JP)
Title: Decorative material
Inventor: KAMIYA TAKASHI
IPC: B32B27/18
Filed: 1990-03-05
Abstract: PURPOSE:To manufacture a decorative material of superior resistance to fire and processability properties and with little change in dimension, little change in warping and the like by overlapping a plurality of forming sheets composed of an impregnated blend composed of melamine resin and the like and specifying the composition ratio of melamine resin and aluminum hydroxide. CONSTITUTION:A glass non-woven cloth of 30-300g/m<2> basis weight treated with a binder component such as epoxy resin, polyvinyl alcohol resin or the like is suitable for a sheet. The blend is composed of a mixture comprising 5-40wt.% melamine resin, and 95-60wt.% of aluminum hydroxide to which 1-40wt.% melamine resin modifying agent to melamine resin is added. The blend is impregnation treated in the state as it is or diluted with a diluent. A plurality of forming sheets thus prepared are just overlapped as they are or decorative sheets are overlapped on the surface or the rear surface and heat pressurized to finish as a decorative material. Said decorative material is not only of superior processing properties and resistance to fire but of superior dimenstion stability and is finished without warping deformation properties.